src: move windows specific fns to _WIN32

PR-URL: nodejs#57951
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Pietro Marchini <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Stefan Stojanovic <[email protected]>

Author: anonrig

src/util-inl.h

@@ -28,10 +28,13 @@
 #include <cstring>
 #include <locale>
 #include <ranges>
-#include <regex>  // NOLINT(build/c++11)
 #include "node_revert.h"
 #include "util.h"
 
+#ifdef _WIN32
+#include <regex>  // NOLINT(build/c++11)
+#endif            // _WIN32
+
 #define CHAR_TEST(bits, name, expr)                                           \
   template <typename T>                                                       \
   bool name(const T ch) {                                                     \
@@ -588,9 +591,8 @@ constexpr std::string_view FastStringKey::as_string_view() const {
   return name_;
 }
 
-// Inline so the compiler can fully optimize it away on Unix platforms.
-bool IsWindowsBatchFile(const char* filename) {
 #ifdef _WIN32
+inline bool IsWindowsBatchFile(const char* filename) {
   std::string file_with_extension = filename;
   // Regex to match the last extension part after the last dot, ignoring
   // trailing spaces and dots
@@ -603,12 +605,8 @@ bool IsWindowsBatchFile(const char* filename) {
   }
 
   return !extension.empty() && (extension == "cmd" || extension == "bat");
-#else
-  return false;
-#endif  // _WIN32
 }
 
-#ifdef _WIN32
 inline std::wstring ConvertToWideString(const std::string& str,
                                         UINT code_page) {
   int size_needed = MultiByteToWideChar(

src/util.h

@@ -1026,9 +1026,12 @@ v8::Maybe<int> GetValidFileMode(Environment* env,
                                 v8::Local<v8::Value> input,
                                 uv_fs_type type);
 
+#ifdef _WIN32
 // Returns true if OS==Windows and filename ends in .bat or .cmd,
 // case insensitive.
 inline bool IsWindowsBatchFile(const char* filename);
+inline std::wstring ConvertToWideString(const std::string& str, UINT code_page);
+#endif  // _WIN32
 
 }  // namespace node